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Round|Natural|GIA

3.13ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2231798139

Certificate GIA 2231798139

Diamond specifications and retailer prices

From $28,988 SGD
As of November 1, 2026
Save $22,790 SGD (44%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $51,778 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 3.13ct natural round diamond

This 3.13ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231798139. Listed at 5 retailers as of November 1, 2026, with prices from $28,988 to $51,778, a $22,790 spread on the same certified stone. MOH London lists it at $51,778. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.13
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2231798139
Dimensions9.40 × 9.35 × 5.82 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Cloud, Natural
Top View
9.40 mm9.35 mm3.13 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231798139
Side View
Table 59.0%Crown 36°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $51,778 SGD|Low: $28,988 SGD|High: $52,542 SGD|Avg: $36,706 SGD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$28,988 SGD
Retailer 5$30,834 SGD
Retailer 7$32,354 SGD
Retailer 2$33,211 SGD
Retailer 3$38,765 SGD
Retailer 6$39,926 SGD
MOH London$51,778 SGD

29 data points across 7 retailers

5 retailers$28,988 SGD to $51,778 SGD

A
Cheapest Retailer
-
$28,988 SGD
B+
Retailer 2
-
$30,834 SGD
View
B+
Retailer 3
-
$33,211 SGD
View
B
Retailer 4
-
$38,765 SGD
View
Most Expensive
B
MOH London
291BF3AF9 · Nov 4
$51,778 SGD
£31,919 GBP
View
4 more retailers have this diamond
Prices start from $28,988 SGDSave up to $22,790 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.13ct Round
$28,988 SGD